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Amphiphilic Star-Shaped Calix[4]resorcinarene as Stationary Phase for Capillary Gas Chromatography

This work describes the separation performance of the amphiphilic star-shaped calix[4]resorcinarene (C4A-CL) as the stationary phase for capillary gas chromatography (GC). The statically coated C4A-CL capillary column exhibited medium polarity and high column efficiency of 3877 plates m −1 determine...

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Bibliographic Details
Published in:Chromatographia 2019-11, Vol.82 (11), p.1697-1708
Main Authors: Sun, Tao, Li, Bin, Li, Yan, Zhao, Xinyu, Song, Qianqian, Jiang, Xingxing, Shuai, Xiaomin, Li, Youyang, Cai, Zhiqiang, Hu, Shaoqiang
Format: Article
Language:English
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Summary:This work describes the separation performance of the amphiphilic star-shaped calix[4]resorcinarene (C4A-CL) as the stationary phase for capillary gas chromatography (GC). The statically coated C4A-CL capillary column exhibited medium polarity and high column efficiency of 3877 plates m −1 determined by naphthalene at 120 °C. Importantly, the C4A-CL column exhibited extremely high resolving capability for aliphatic analytes with varying polarity, including n -alkanes, esters, ketones, alcohols, and bromoalkanes. In addition, the C4A-CL column exhibited high selectivity and resolving capability for positional, structural and cis -/ trans -isomers. Among them, the C4A-CL column displayed advantageous resolving capability over the commercial DB-17 column for aromatic amine isomers. Moreover, it was applied for the determination of isomer impurities in real samples, showing good potential in GC applications.
ISSN:0009-5893
1612-1112
DOI:10.1007/s10337-019-03783-0